Examine source code of FurAffinity Features

{
  "manifest_version": 3,
  "name": "FurAffinity Features",
  "version": "1.3.18",
  "description": "A collection of features and enhancements for Fur Affinity",
  "author": "Midori Dragon",
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://*.furaffinity.net/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.furaffinity.net/*"
      ],
      "js": [
        "furaffinity-features.user.js"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "icons": {
    "16": "icons/icon-x16.png",
    "32": "icons/icon-x32.png",
    "48": "icons/icon-x48.png",
    "64": "icons/icon-x64.png",
    "96": "icons/icon-x96.png",
    "128": "icons/icon-x128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "furaffinity-features@midori-dragon"
    }
  }
}